In recent months several diesel engine manufacturers have expanded their existing engine and generator ranges to include models suitable for workboat, large yacht and fishing vessel applications. This translates to more propulsion choices for boat builders and owners. Following is a look at four newly launched lines. Last September, MTU introduced the new 8000 series, moving the company into medium-speed engine market. The first engine of the line is the 20V 8000, which is capable of producing 9,000 kW at 1,150 rpm. The 20V is primarily intended to be used as main propulsion for large yachts and workboats, as well as for diesel-electric propulsion and onboard power supply systems in cruise ships.